and the highway patrol is preparing for traffic gridlock especially here in san francisco. cbs 5 traffic reporter elizabeth wenger joins us from san francisco to explain what areas to avoid. i guess everything. it is so busy. >> reporter: it is. that's the funny thing. the waterfront and the embarcadero, marina green, that's where a lot of stuff is going on. but yeah, there are so many events it's spread out throughout the city, north beach, castro district, unfortunately there's no great area traffic-wise this weekend. so this is going to be one of the busier spots. we are here along pier 30-32. it's dark but we have a big navy vessel you can tour for fleet week and in addition, if that wasn't enough, we have the america's cup sailing yachts behind me here, as well. so if yesterday was any indication, it's going to be very busy and loud this saturday and sunday. the blue angels practiced yesterday. don't drive. parking even if you get here will be extra difficult. to avoid gridlock, avoid the waterfront, use less popular bridges like the san mateo bridge. if fleet week and america's cup weren't